WEB Bridge Sideband

src/web/bridge/tests.rs

@@ -18,6 +18,30 @@ fn render_page(bootstrap: &str, candidate_count: usize) -> BridgePage {
         15,
         120,
         0,
+        false,
+        &SecureRandom::new(),
+    )
+}
+
+fn render_diagnostic_page(bootstrap: &str) -> BridgePage {
+    render(
+        "proxy.example.com",
+        bootstrap,
+        2 * 1024 * 1024,
+        32 * 1024 * 1024,
+        16 * 1024,
+        1024,
+        true,
+        4,
+        [3, 5, 8, 12],
+        25,
+        10,
+        90,
+        15,
+        15,
+        120,
+        0,
+        true,
         &SecureRandom::new(),
     )
 }
@@ -77,6 +101,7 @@ fn rendered_page_embeds_the_configured_bridge_timing_policy() {
         11,
         119,
         4,
+        false,
         &SecureRandom::new(),
     );
 
@@ -128,6 +153,7 @@ fn disabled_negotiation_does_not_arm_a_carrier_deadline() {
         15,
         120,
         0,
+        false,
         &SecureRandom::new(),
     );
     assert!(page.body.contains(
@@ -190,3 +216,87 @@ fn rendered_page_preserves_exact_v1_status_control_envelope() {
     );
     assert!(!page.body.contains("port.postMessage({t:'status',state,"));
 }
+
+#[test]
+fn bridge_diagnostic_sideband_is_absent_by_default() {
+    let page = render_page("IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII", 4);
+
+    assert!(page.body.contains("<body>\n<script nonce=\""));
+    assert!(page.body.contains(
+        "carrierCapabilities='https,https-lanes,websocket,websocket-lanes';\nconst responseBody="
+    ));
+    assert!(!page.body.contains("/api/v1/diagnostic"));
+    assert!(!page.body.contains("TelemtBridgeDiagnostics"));
+    for event in [
+        "runtime_started",
+        "status_posted",
+        "hello_received",
+        "boundary_timeout",
+        "hello_timeout",
+        "client_close_before_hello",
+        "document_unloaded_before_hello",
+        "runtime_error_before_hello",
+    ] {
+        assert!(!page.body.contains(event));
+    }
+}
+
+#[test]
+fn enabled_bridge_diagnostics_use_the_https_sideband_only() {
+    let page = render_diagnostic_page("JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ");
+
+    assert!(!page.body.contains("__"));
+    assert!(page.body.contains("fetch(relayOrigin+'/api/v1/diagnostic'"));
+    assert!(page.body.contains("JSON.stringify({v:1,event})"));
+    assert!(page.body.contains("'Content-Type':'application/json'"));
+    assert!(page.body.contains("keepalive:true"));
+    for event in [
+        "runtime_started",
+        "status_posted",
+        "hello_received",
+        "boundary_timeout",
+        "hello_timeout",
+        "client_close_before_hello",
+        "document_unloaded_before_hello",
+        "runtime_error_before_hello",
+    ] {
+        assert!(page.body.contains(event));
+    }
+    assert_eq!(page.body.matches("/api/v1/diagnostic").count(), 1);
+}
+
+#[test]
+fn bridge_diagnostic_hooks_preserve_native_and_recovery_contracts() {
+    let page = render_diagnostic_page("KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK");
+    let status_report = page.body.find("clientDiagnostics.statusPosted()").unwrap();
+    let native_status = page
+        .body
+        .find("port.postMessage({t:'status',state})")
+        .unwrap();
+    let hello_report = page.body.find("clientDiagnostics.helloReceived()").unwrap();
+    let create_started = page.body.find("createStarted=true;if(helloTimer)").unwrap();
+    let boundary_initialized = page.body.find("initialized=true;port=nextPort;").unwrap();
+    let boundary_activated = page
+        .body
+        .find("clientDiagnostics.boundaryActivated()")
+        .unwrap();
+    let port_handler = page.body.find("port.onmessage=message=>").unwrap();
+    let bootstrap_replaced = page.body.find("bootstrap=policy.bootstrap;").unwrap();
+    let diagnostic_rebound = page
+        .body
+        .find("clientDiagnostics.setBootstrap(bootstrap)")
+        .unwrap();
+    let limits_replaced = page
+        .body
+        .find("batchLimit=policy.limits.carrier_batch_bytes")
+        .unwrap();
+
+    assert!(native_status < status_report);
+    assert!(hello_report < create_started);
+    assert!(boundary_initialized < boundary_activated);
+    assert!(boundary_activated < port_handler);
+    assert!(bootstrap_replaced < diagnostic_rebound);
+    assert!(diagnostic_rebound < limits_replaced);
+    assert!(page.body.contains("clientDiagnostics.helloTimeout()"));
+    assert!(!page.body.contains("port.postMessage({t:'status',state,"));
+}